• Subject: Altering the SOMAXCONN value.
  • From: Ed.Doxtator@xxxxxxxxx
  • Date: Mon, 20 Oct 1997 16:34:44 +0100


Hey All!

We're in the middle of doing some TCP/IP stress-testing, and in the course
of our research, we've found that when you do a listen(), there's two
parameters allowed.  The first is the socket you're going to listen on.
The second is the maximum number of connections TCP/IP will backlog before
connection requests to that socket are rejected.

The usual limit for Unix systems appears to be something like 5.  The
AS/400 has a maximum number allowed, defined in QSYSINC/SYS(SOCKET) called
SOMAXCONN.  The limit is 512.

Has anyone changed this limit to something higher?  If so, what happened?

Look after yerselves...

Thanks,

-Doc


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